Sea-floor sediments indicate more climate fluctuations during the Pleistocene than is indicated by land
deposits. Indicate whether the statement is true or false.
T
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According to the scientific method, a hypothesis
A) must have already been tested in previous experiments B) must be phrased in highly technical jargon C) must always be understandable to the layperson D) must lead to predictions
Which statement about cones of depression is true?
A)They form when water inflow exceeds water withdrawal. B)They affect large regions and have extensive economic impact. C)They lower the water table around a well. D)They only form immediately after a well is drilled. E)They get narrower closer to the well head.
Alfred Wegener's theory of continental drift seems so reasonable today. Why was it rejected during the early 20th century?
a) His jigsaw puzzle fit of the continental land mass showed large gaps and areas of overlap. b) He could not provide a driving mechanism for the continents that could plow through the ocean basins. c) His mountain formation concepts were not adequate. d) The best evidence would not be available until sea floor dating and magnetic reversal data came along decades after his death. e) All of the above
What is a vertical igneous feature that is very long and thin, often upthrust through preexisting rock?
A. laccolith B. batholith C. vein D. dike E. sill